Folding-door structure



G. E. MATHER.

FOLDING DOOR STRUCTURE. APPLICATION FILED sEPT.6.1919.

Patented Nov. 15, A1921.

A/fy

,Morsemereinfthe county of Bergen,

UNITED STATES` y GEORGE E. MATHER, VOF MOSRSEMERE, NEW JERSEY, ASSIGNOR TO WESTERN ELEG- PATENT OFFICE.

TRIO COMPANY, INCORPORATED, OF NEW YORK, N. Y., A CORPORATION OF NEW FoLmNG-Doon STRUCTURE Patented N0v.15,1921.

Application led September 6, 1919. Serial No. 322,131.

To all whom t may concern:

Be it known. that I, GEQRGE E. Marrana, a citizen of the United States, residin at of New Jersey, have invented certain new and useful Improvements in Folding-Door Structures, of which the following is a full, clear, concise, and exact description.

This invention relates to door structures, and articularly to a type of door structure whic is useful in telephone booths. More specifically, the invention relates to door structures of the folding type.

In the accompanying drawing, the invention is illustrated as applied'to avtelephone booth. Figure 1, is a perspective view, part of the door being broken away to show certain features; Fig. 2 is a horizontal crosssectional view on a plane coinciding with the ceiling of the booth, the door beingl open; and Fig. 3 is a horizontal cross-sectional view similar to Fig. 2, the door being closed.

Referring to the drawing, the booth is shown as having sidewalls 4 and 5, floor 6, ceiling 7 and front wall 8 in which is the doorway equipped vwith the door structure hereinafter described. The usual shelf for the telephone is shown at 9 and a seat at 10.

The door proper comprises an inner door section 12, an outer door section 13 and an intermediate 4door section. 14. The inner door section 12 is hingedly supported on the front wall 8, which serves as a door frame, by hinges of any suitable kind one of which is shown at 16. Intermediate door section 14 has a width approximately equal to the combined thicknesses of the inner and outer door sections 12 and 13; and theintermediate door section is connected to the inner and outer door `sections by hinge mechanisms 17 and 18 which, in the particular embodiment shown, are of the so-called piano hinge type. The hinges 17 and 18 are attached to the inside faces of the door sections, and all three of the door sections 12, 13 and 14 are beveled from their outside faces toward the hinge pintles, as clearly shown in Figs. 2 and 3. These'beveled surfaces are atan angle of approximately 45 with the inside faces of the door Sections,

and thisbeveling permits the door section tate section 13 is directed by a guiding means of any suitable kind, such as an upwardly eX.- tending pin 2() secured to the inside face of the door section 13 and extending into a slotted member 21 attached to the ceiling 7 of'the booth. Guiding means is also provided for holding the intermediate door secof the booth duringthe movement -of the door. As shown, this guiding mechanism comprises a bracket 22 secured to the inside tion 14 substantially. parallel to the doorway face of the intermediate door section 14, said bracket being provided with a vertically eX- tending pin 23 which engages a. slotted member 24 attached to the ceiling of the booth. The form of the slottedmember 24 is such that it so guides the pin 23 in its movement that the intermediate door section 14 is maintained at all times substantially parallel to the doorway of the booth.

The folding door is closed and opened fromthe inside of the booth by means of a handle 26 attached to the inside face of the outer door section 13. By means of this handle the door may be moved from the open position shown in Fig. 2 to the closed position shown in Fig.` 3, and vice versa. During theopening and closing movement of the door, the pin 20 travels in the slot of the member 21; and the pin 23 travels in the slot of the member 24, in a manner obvious from the drawing, thereby properly guiding the movements of the outer door section 113 and the intermediate door sec. tion 14.

What is claimed is:

1. A folding door structure comprising a hingedly supported inner door section, an outer door section, an intermediate door section, hinge mechanisms connecting the intermediate door section with the inner and outer door sections, all three of said door sections being beveled toward thehinge pintles, guiding means for directing the folding movement of the outer door section, and guiding means for h olding the intermediate door section substantially parallel to" the doorway during the movement of the door sections.

2. A folding door structure comprising a hingedly supported inner door section, an outer door section, an intermediate door section having a. width approximately equal to the combined thicknesses of the inner and` outer door sections, hinge mechanisms con- 4 necting the intermediate door section with guiding means for directing the folding movement of the outer door section, and guiding means for holding the intermediate door section substantially parallel to the doorway during the movement of the door sections.

3. .A folding door structure comprising a hingedly supported inner door section, an outer door section, an intermediate door section having a Width approximately equal to the combined thicknesses of the inner and outer door sections, hinge mechanisms connecting the intermediatedoor section with the inner and outerdoor sections on the inside faces thereof, 'all three of said door sections being beveled toward the hinge pintles from the outside faces'of the dooi` sections, guiding means for directing the folding movement of the outer door section, and guiding means for holding the intermediate door section substantially parallel to the doorway during the movement of the door sections comprlsing a vertically extending pin carried by the intermediate door section and a rigidly supported slotted member with which said pin engages.

In witness whereof, I hereunto subscribe my name this 2nd day of September, A. D. 1919.

GEORGE E. MATH-ER. 

